scrape the bottom of the barrel
[英]skreip ðə ˈbɔtəm ɔv ðə ˈbærəl
[美]skrep ði ˈbɑtəm ʌv ði ˈbærəl
v.使用最后一招
[例句]Hiring from the bottom of the barrel will threaten a rapid development effort.
招募那些资历最差的员工将会威胁到企业为快速发展所付出的努力.